18 December 2013 Attributes of color represented by a spherical model
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The paper introduces a spherical coordinate system-based color model and studies the color change in the model. A circular cone with a spherical top tightly circumscribing the RGB color cube is equipped with a properly rotated spherical coordinate system. Similar to the commonly used color models with a hue component such as the HSV model, the spherical model specifies color by describing the color attributes recognized by human vision, using the components of the spherical coordinate system. The formulas of conversions between the spherical model and the RGB color model are provided, which are mathematically simpler and more intuitively understandable than those for commonly used models with a hue component. Most importantly, color changes are perceptually smoother in the spherical model. Comparisons between the spherical model and the HSV model on color changes are made in the paper.
© 2013 SPIE and IS&T
Tieling Chen, Tieling Chen, Jun Ma, Jun Ma, Zhongmin Deng, Zhongmin Deng, "Attributes of color represented by a spherical model," Journal of Electronic Imaging 22(4), 043032 (18 December 2013). https://doi.org/10.1117/1.JEI.22.4.043032 . Submission:


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